Linked Questions

42
votes
2answers
77k views

What is /storage/emulated/0/?

Recently, I've figured out that if I delete files from /sdcard/Download it deletes files from /storage/emulated/0/Download. And if I add the files into /sdcard/Download it duplicates them in /storage/...
18
votes
5answers
24k views

Can I use ext4 on my SD card in a non-rooted phone?

I know that on a rooted phone, it's reasonably normal to create a small ext4 partition for App2SD to use, but I'm not asking about that case: I have a non-rooted HTC Desire running Froyo, and I'd ...
6
votes
2answers
5k views

How can I make a symlink (or equivalent) inside /storage/emulated/0?

So, I have rooted my phone (GT-i9505 with android 5.0.1) and I would like to move my WhatsApp folder to my external SD card to save 3GB on internal storage. This is what I tried so far. EDIT: ...
2
votes
1answer
2k views

How to run an executable on boot and keep it running?

I have an executable build from a ndk-build program. I want to run it on a rooted Android device. How much is the possibility that Android will kill my executable? Using adb shell, I am able to ...
0
votes
1answer
2k views

Partition gets unmounted automatically in Android Oreo

I have Android phone running Oreo 8.1.0. I have two partitions in sdcard. One partition is ext4 formatted. I mount it using: mount -t ext4 -o rw /dev/block/mmcblk1p2 /data/sdext2 But after some time,...
2
votes
2answers
2k views

How to mount NFS on Android with correct permissions?

I am trying to mount an NFS share on my Android phone. I have already compiled and installed all the needed kernel modules. The NFS share mounts flawlessly but I can only mount as the system user. ...
5
votes
1answer
1k views

How would you use your ext4 formatted thumb drive via OTG on Android?

Is there a workaround to use an ext4 formatted thumb drives on Android phones? Right now when I plug it (thumb drive has micro usb end and phone supports thumb drives) Android says it doesn't ...
3
votes
1answer
1k views

Why (bind) mounts in /storage/emulated/0 are not visible in apps?

I mounted a directory into another directory with: mount --bind "/storage/sdcard/dir1" "/storage/sdcard/dir2" I do this at boot completion with Tasker. I can see the mounted files in adb shell and ...
1
vote
1answer
1k views

How to link cloud storage to android phone storage?

I want to link Cloud storage like Dropbox or Google drive (or other alternatives) directly to android phone storage folders like Apps, media in order to save media files to cloud storage instead of ...
1
vote
1answer
639 views

What is the “u#_everybody” UID?

In (multi-user) Android there are UIDs like these: u0_everybody u10_everybody u11_everybody Those seem different to the usual uXX_aYY UIDs used for the applications. What is their purpose? Is this a ...
3
votes
2answers
1k views

Invoke /system/bin/sdcard manually via terminal

I am trying to mount an EXT4 formatted SD card under Cyanogenmod 13.1 (Android 6.0.1). So far, I have setup scripts to mount the card at /mnt/ext_sdcard during boot. My current understanding is that ...
3
votes
2answers
222 views

How to create and use multiple partitions on external SD card with different filesystems (Ext4, exFAT, NTFS)?

I want to create 4 partitions on external MicroSDcard through ADB shell commands, not on Windows or Linux. Also want to show all partitions in Android GUI (SETTINGS > STORAGE > SDCARD) and make them ...
2
votes
1answer
941 views

How to make bind-mounted (mount -o bind) folders visible for non-root users?

I want to mount-bind an app data folder in /data/data/... to a user subfolder in order to automatically synchronize the contents for backup purposes. As root I use the following command: mount -o ...
4
votes
1answer
418 views

Decrypting microSD card on another Android device or desktop computer

I'm looking for a solution that would allow to encrypt external microSD card with the following conditions: external microSD card is not merged with the internal storage; encrypted external microSD ...
3
votes
1answer
388 views

How to free Internal Storage by moving data or using symlink / bind-mount with Adoptable Storage?

Galaxy S5 running LineageOS 16 (Android 9). I'm having issues with running out of storage space, even though I have 128GB external SD card, merged with the internal storage. Is there a way to create ...

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